Anthropic’s Claude Mythos is now available, but not for you

Anthropic has developed a new AI model called Claude Mythos. The model was accidentally revealed due to a misconfiguration in their content management system. Currently, Claude Mythos is not publicly available for general use.

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PublishedTuesday, April 7, 2026 at 8:00 PMApr 7, 08:00 PM

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Anthropic launches Claude Mythos Preview through Project Glasswing, giving select partners access to its most capable model for cybersecurity defense.

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Opening the briefing

Anthropic’s Claude Mythos is now available, but not for you

Original article excerpt

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Opening the briefing

Anthropic’s Claude Mythos is now available, but not for you

Original article excerpt

Signal trust

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